$ sudo apt-get install  python python-simplejson

$ wget -c http://andrewprice.me.uk/projects/twyt/download/twyt-0.9.2.tar.gz

$ tar xzvf twyt-0.9.2.tar.gz
$ cd twyt-0.9.2
$ sudo ./setup.py install

$ twyt --commands
 
Available commands:
 accountlimit Show the API rate limit for your Twitter account.
        block Blocks a user specified by ID (numerical ID or screen name)
       delete Deletes a tweet by ID
       direct Sends a direct message to another user
    directdel Delete a direct message which was sent to you
   directsent Prints the 20 last direct messages sent by you
     directtl Prints the 20 last direct messages sent to you
    friendstl Returns 20 most recent statuses in your friends timeline
      iplimit Show the API rate limit for your IP address.
    namecache Access and manipulate the username cache.
     publictl Shows the 20 most recent statuses in Twitter's public timeline
      replies Lists statuses which are replies to you (statuses with @yourusername in them)
         show Show a single status message by ID
         sing Similar to 'tweet', wraps the status in musical notes
        tweet Updates the authenticating user's Twitter status
      unblock Unblocks a user specified by ID (numerical ID or screen name)
         user Get and set Twyt user options, e.g. remembered passwords and Twitter usernames
       usertl Show your timeline, or USERNAME's timeline
 
For command-specific help, use twyt COMMAND --help

$  twyt user -u tux_in set
Enter tux_in's Twitter password:

$ twyt tweet "Привет всем"
[9694464211] tux_in: Привет всем (Fri Feb 26 20:14:16 2010 via Twyt)

$ twyt friendstl